Here's Kristen Stewart now, at the premiere of "On The Road" in 2012. But she didn't always look like this. (Getty Images)

Here's Kristen Stewart now, at the premiere of "On The Road" in 2012. But she didn't always look like this. (Getty Images)

Photo: Jason Merritt, Getty Images

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Here's Stewart in 2002, when she starred in "Panic Room" with Jodie Foster. Different hair, same perfect complexion. (Getty Images)

Here's Stewart in 2002, when she starred in "Panic Room" with Jodie Foster. Different hair, same perfect complexion. (Getty Images)

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Stewart exploded onto the scene as "Twilight's" Bella in 2008. Before that, she had some noteworthy roles. Here, she arrives at the premiere of "The Yellow Handkerchief" in 2008. (Getty Images)

Stewart exploded onto the scene as "Twilight's" Bella in 2008. Before that, she had some noteworthy roles. Here, she arrives at the premiere of "The Yellow Handkerchief" in 2008. (Getty Images)

Photo: Getty Images

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Stewart was just 18 when "Twilight" made her a superstar. (Getty Images)

Stewart was just 18 when "Twilight" made her a superstar. (Getty Images)

Photo: Getty Images

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Same pose. Different look. Somewhere along the way, sexy started happening. (Getty Images)

Same pose. Different look. Somewhere along the way, sexy started happening. (Getty Images)

Photo: Getty Images

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"Twilight" solidified Stewart in the eyes of the world as the other half of Robert Pattinson. (That's Edward the vampire, of course.) Celebrity couple names: Kristbert or Bellward -- take your pick. Here they are in "New Moon," when things were still sweet and innocent. (Getty Images) less

"Twilight" solidified Stewart in the eyes of the world as the other half of Robert Pattinson. (That's Edward the vampire, of course.) Celebrity couple names: Kristbert or Bellward -- take your pick. Here they ... more

Photo: Photo: Kimberley French

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My, how things heated up a few movies later. Here are Pattinson and Stewart as Edward and Bella in "The Twilight Saga: Breaking Dawn Part 1." (Getty Images)

My, how things heated up a few movies later. Here are Pattinson and Stewart as Edward and Bella in "The Twilight Saga: Breaking Dawn Part 1." (Getty Images)

Photo: ANDRE COOPER

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Stewart won a few awards for her portrayal of Bella ... (Getty Images)

Stewart won a few awards for her portrayal of Bella ... (Getty Images)

Photo: Getty Images

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Even one for best on-screen kiss. (Don't worry. This wasn't the kiss. That's just awkward ...) (Getty Images)

Even one for best on-screen kiss. (Don't worry. This wasn't the kiss. That's just awkward ...) (Getty Images)

Photo: Getty Images

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And that brings us back to present-day Stewart. Here, she attends the "On The Road" premiere during the 2012 Toronto International Film Festival. (Jason Merritt / Getty Images)

And that brings us back to present-day Stewart. Here, she attends the "On The Road" premiere during the 2012 Toronto International Film Festival. (Jason Merritt / Getty Images)

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OK, so now let's talk about Robert Pattinson, Stewart's co-star and former flame. Here he is -- classically rugged and just a bit vampire-like in recent months. (Getty Images)

OK, so now let's talk about Robert Pattinson, Stewart's co-star and former flame. Here he is -- classically rugged and just a bit vampire-like in recent months. (Getty Images)

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And here's 20-year-old Pattinson shortly after playing Cedric Diggory in "Harry Potter and the Goblet of Fire" in 2006. (Getty Images)

And here's 20-year-old Pattinson shortly after playing Cedric Diggory in "Harry Potter and the Goblet of Fire" in 2006.
(Getty Images)

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Here's Pattinson in 2008 with Stewart at the MTV Video Music Awards. Still looks about the same, right? (Getty Images)

Here's Pattinson in 2008 with Stewart at the MTV Video Music Awards. Still looks about the same, right? (Getty Images)

Photo: Getty Images

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In this photo, Pattinson arrives at the "Water for Elephants" premiere in 2011. Hmmm. He doesn't age, so he must really be a vampire. (Getty Images)

In this photo, Pattinson arrives at the "Water for Elephants" premiere in 2011. Hmmm. He doesn't age, so he must really be a vampire. (Getty Images)

Photo: Getty Images

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Yes, you. Have we checked to see if he really sparkles? This photo is from 2011 in New York. (Getty Images)

Yes, you. Have we checked to see if he really sparkles? This photo is from 2011 in New York. (Getty Images)

Photo: Jason Kempin, Getty Images

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Actress Christina Ricci poses with Pattinson and a new haircut at the Berlin International Film Festival in 2012. New haircut, same youthful look. You're not fooling anyone, Robert. Or should we say ... Mr. Vampire. (Getty Images) less

Actress Christina Ricci poses with Pattinson and a new haircut at the Berlin International Film Festival in 2012. New haircut, same youthful look. You're not fooling anyone, Robert. Or should we say ... Mr. ... more

Photo: Sean Gallup, Getty Images

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Enough about vampires. Let's talk about werewolves. Taylor Lautner, seen here in recent months, has long given pre-teen girls something to giggle about in his role as "Twilight's" Jacob Black. (Getty Images)

Enough about vampires. Let's talk about werewolves. Taylor Lautner, seen here in recent months, has long given pre-teen girls something to giggle about in his role as "Twilight's" Jacob Black. (Getty Images)

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Once upon a time, Lautner looked like this. Here, he's seen with Taylor Dooley, who played Lavagirl to his Sharkboy in "The Adventures of Sharkboy and Lavagirl in 3-D." The movie came out in 2005, when Lautner was 13. Awwww. But, what's a sharkboy? (Getty Images)

Once upon a time, Lautner looked like this. Here, he's seen with Taylor Dooley, who played Lavagirl to his Sharkboy in "The Adventures of Sharkboy and Lavagirl in 3-D." The movie came out in 2005, when Lautner

When Lautner started out in his role as Jacob, his hair was long -- and he wore shirts. (Getty Images)

When Lautner started out in his role as Jacob, his hair was long -- and he wore shirts. (Getty Images)

Photo: Photo By Kimberley French

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Then everything changed. (Getty Images)

Then everything changed. (Getty Images)

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We're betting Lautner has to exercise pretty hard to keep himself in shirtless shape. This photo was taken at DIRECTV's 4th Annual Celebrity Beach Bowl on Feb. 6, 2010 in Miami Beach, Fla. Go, Taylor, go. Run like a wolf. (Getty Images) less

We're betting Lautner has to exercise pretty hard to keep himself in shirtless shape. This photo was taken at DIRECTV's 4th Annual Celebrity Beach Bowl on Feb. 6, 2010 in Miami Beach, Fla. Go, Taylor, go. Run ... more

Photo: Getty Images

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And that brings us back to Lautner's current look. He looks good in a suit and tie. And a shirt. (Getty Images)

And that brings us back to Lautner's current look. He looks good in a suit and tie. And a shirt. (Getty Images)

Photo: Getty Images

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OK, now for some more familiar faces. Actor Peter Facinelli (Carlisle Cullen) and wife Jennie Garth attend the premiere of "Twilight" in 2008. (Getty Images)

OK, now for some more familiar faces. Actor Peter Facinelli (Carlisle Cullen) and wife Jennie Garth attend the premiere of "Twilight" in 2008. (Getty Images)

Here, a more refined-looking Greene attends "The Twilight Saga: Breaking Dawn Part 2" event at Comic-Con in 2012. (Getty Images)

Here, a more refined-looking Greene attends "The Twilight Saga: Breaking Dawn Part 2" event at Comic-Con in 2012. (Getty Images)

Photo: Jerod Harris, Getty Images

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Actor Kellan Lutz (Emmett Cullen) knew how to mug with fans right from the start of the film saga. (Getty Images)

Actor Kellan Lutz (Emmett Cullen) knew how to mug with fans right from the start of the film saga. (Getty Images)

Photo: Getty Images

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And Lutz is still pretty good at it. Here he is at the "The Twilight Saga: Breaking Dawn Part 2" fan event at the San Diego Comic-Con. (Getty Images)

And Lutz is still pretty good at it. Here he is at the "The Twilight Saga: Breaking Dawn Part 2" fan event at the San Diego Comic-Con. (Getty Images)

Photo: Michael Buckner, Getty Images

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Actor Jackson Rathbone (Jasper Hale) attends the premiere of "Twilight," back when he was just a fresh baby-face on the scene. (Getty Images)

Actor Jackson Rathbone (Jasper Hale) attends the premiere of "Twilight," back when he was just a fresh baby-face on the scene. (Getty Images)

Photo: Getty Images

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And here's Rathbone at the "The Twilight Saga: Breaking Dawn Part 2" event at Comic-Con. (Getty Images)

And here's Rathbone at the "The Twilight Saga: Breaking Dawn Part 2" event at Comic-Con. (Getty Images)

Photo: Jerod Harris, Getty Images

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'Twilight' stars: Then and now

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Friday will be bittersweet for "Twilight" fans. Sure, it's finally time for the premiere of "The Twilight Saga: Breaking Dawn - Part 2." But it also the last "Twilight" movie. The last time fans will stand in line wearing "team Edward" T-shirts. The last time they'll see their beloved Bella-Edward-Jacob love triangle play out on the big screen -- for the first time.

Time for a moment of nostalgia to mark the "Twilight" saga. Check out the gallery above to follow the films' stars as they grow up with "Twilight."